[go: up one dir, main page]

FR2531696B1 - Procede ameliore de dissolution du tetrafluorure d'uranium impur - Google Patents

Procede ameliore de dissolution du tetrafluorure d'uranium impur

Info

Publication number
FR2531696B1
FR2531696B1 FR8214352A FR8214352A FR2531696B1 FR 2531696 B1 FR2531696 B1 FR 2531696B1 FR 8214352 A FR8214352 A FR 8214352A FR 8214352 A FR8214352 A FR 8214352A FR 2531696 B1 FR2531696 B1 FR 2531696B1
Authority
FR
France
Prior art keywords
impur
dissolution
improved process
uranium tetrafluoride
tetrafluoride
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR8214352A
Other languages
English (en)
Other versions
FR2531696A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pechiney SA
Original Assignee
Pechiney Ugine Kuhlmann SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pechiney Ugine Kuhlmann SA filed Critical Pechiney Ugine Kuhlmann SA
Priority to FR8214352A priority Critical patent/FR2531696B1/fr
Priority to PH29220A priority patent/PH19146A/en
Priority to US06/519,922 priority patent/US4576802A/en
Priority to GR72141A priority patent/GR78867B/el
Priority to KR1019830003664A priority patent/KR840006175A/ko
Priority to YU01673/83A priority patent/YU167383A/xx
Priority to IL69459A priority patent/IL69459A/xx
Priority to EP83420138A priority patent/EP0101395B1/fr
Priority to OA58085A priority patent/OA07518A/fr
Priority to MA20088A priority patent/MA19866A1/fr
Priority to PT77182A priority patent/PT77182B/fr
Priority to FI832891A priority patent/FI832891L/fi
Priority to CA000434377A priority patent/CA1210566A/fr
Priority to ES524875A priority patent/ES8404289A1/es
Priority to BR8304313A priority patent/BR8304313A/pt
Priority to JO19831263A priority patent/JO1263B1/en
Publication of FR2531696A1 publication Critical patent/FR2531696A1/fr
Application granted granted Critical
Publication of FR2531696B1 publication Critical patent/FR2531696B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B60/00—Obtaining metals of atomic number 87 or higher, i.e. radioactive metals
    • C22B60/02—Obtaining thorium, uranium, or other actinides
    • C22B60/0204—Obtaining thorium, uranium, or other actinides obtaining uranium
    • C22B60/0217—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes
    • C22B60/0221—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching
    • C22B60/0226—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors
    • C22B60/0239—Obtaining thorium, uranium, or other actinides obtaining uranium by wet processes by leaching using acidic solutions or liquors nitric acid containing ion as active agent
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/48—Halides, with or without other cations besides aluminium
    • C01F7/50—Fluorides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
FR8214352A 1982-08-12 1982-08-12 Procede ameliore de dissolution du tetrafluorure d'uranium impur Expired FR2531696B1 (fr)

Priority Applications (16)

Application Number Priority Date Filing Date Title
FR8214352A FR2531696B1 (fr) 1982-08-12 1982-08-12 Procede ameliore de dissolution du tetrafluorure d'uranium impur
PH29220A PH19146A (en) 1982-08-12 1983-07-13 Improved method of dissolving impure uranium tetrafluoride
US06/519,922 US4576802A (en) 1982-08-12 1983-08-03 Method of dissolving impure uranium tetrafluoride
GR72141A GR78867B (fr) 1982-08-12 1983-08-05
KR1019830003664A KR840006175A (ko) 1982-08-12 1983-08-05 불순물이 함유된 우라늄 테트라플루오라이드의 용해법
IL69459A IL69459A (en) 1982-08-12 1983-08-09 Method for dissolving impure uranium tetrafluoride
YU01673/83A YU167383A (en) 1982-08-12 1983-08-09 Improved process for dissolving impure uranium tetrafluoride
OA58085A OA07518A (fr) 1982-08-12 1983-08-10 Procédé amélioré de dissolution du tétrafluorure d'uranium impur.
EP83420138A EP0101395B1 (fr) 1982-08-12 1983-08-10 Procédé amélioré de dissolution du tétrafluorure d'uranium impur
MA20088A MA19866A1 (fr) 1982-08-12 1983-08-10 Procede ameliore de dissolution du tetrafluorure d'uranium impur .
PT77182A PT77182B (fr) 1982-08-12 1983-08-10 Procede ameliore de dissolution du tetrafluorure d'uranium impur
FI832891A FI832891L (fi) 1982-08-12 1983-08-11 Foerbaettrat foerfarande foer upploesning av oren urantetrafluorid
CA000434377A CA1210566A (fr) 1982-08-12 1983-08-11 Procede ameliore de dissolution du tetrafluorure d'uranium impur
ES524875A ES8404289A1 (es) 1982-08-12 1983-08-11 Un procedimiento de disolucion en caliente de tetrafluoruro de uranio impuro en una disolucion de acido nitrico
BR8304313A BR8304313A (pt) 1982-08-12 1983-08-11 Processo de dissolucao a quente de tetrafluoreto de uranio impuro
JO19831263A JO1263B1 (en) 1982-08-12 1983-08-13 An improved method for dissolving titanium UF4

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8214352A FR2531696B1 (fr) 1982-08-12 1982-08-12 Procede ameliore de dissolution du tetrafluorure d'uranium impur

Publications (2)

Publication Number Publication Date
FR2531696A1 FR2531696A1 (fr) 1984-02-17
FR2531696B1 true FR2531696B1 (fr) 1985-07-12

Family

ID=9276951

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8214352A Expired FR2531696B1 (fr) 1982-08-12 1982-08-12 Procede ameliore de dissolution du tetrafluorure d'uranium impur

Country Status (16)

Country Link
US (1) US4576802A (fr)
EP (1) EP0101395B1 (fr)
KR (1) KR840006175A (fr)
BR (1) BR8304313A (fr)
CA (1) CA1210566A (fr)
ES (1) ES8404289A1 (fr)
FI (1) FI832891L (fr)
FR (1) FR2531696B1 (fr)
GR (1) GR78867B (fr)
IL (1) IL69459A (fr)
JO (1) JO1263B1 (fr)
MA (1) MA19866A1 (fr)
OA (1) OA07518A (fr)
PH (1) PH19146A (fr)
PT (1) PT77182B (fr)
YU (1) YU167383A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5077020A (en) * 1989-12-20 1991-12-31 Westinghouse Electric Corp. Metal recovery process using waterglass
FR2681139B1 (fr) * 1991-09-10 1993-11-05 Matieres Nucleaires Cie Gle Installation pour effectuer plusieurs reactions chimiques successives dans un meme recipient.
CN112456559A (zh) * 2020-11-20 2021-03-09 中核北方核燃料元件有限公司 一种由uf6直接制备uo2(no3)2溶液的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2900226A (en) * 1952-05-20 1959-08-18 Ward B Schaap Recovery of uranium values from residues
US4247522A (en) * 1978-06-27 1981-01-27 Gardinier, Inc. Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride precipitating agent
US4258012A (en) * 1978-06-27 1981-03-24 Gardinier, Inc. Method of purifying uranium tetrafluoride hydrate and preparing uranium (VI) peroxide hydrate using a fluoride complexing agent
US4412861A (en) * 1982-10-27 1983-11-01 Kreuzmann Alvin B Method for the recovery of uranium values from uranium tetrafluoride

Also Published As

Publication number Publication date
MA19866A1 (fr) 1984-04-01
EP0101395A1 (fr) 1984-02-22
OA07518A (fr) 1985-03-31
KR840006175A (ko) 1984-11-22
PH19146A (en) 1986-01-10
BR8304313A (pt) 1984-03-20
FR2531696A1 (fr) 1984-02-17
FI832891A7 (fi) 1984-02-13
FI832891L (fi) 1984-02-13
CA1210566A (fr) 1986-09-02
PT77182A (fr) 1983-09-01
PT77182B (fr) 1986-02-03
GR78867B (fr) 1984-10-02
YU167383A (en) 1985-10-31
IL69459A (en) 1986-07-31
US4576802A (en) 1986-03-18
EP0101395B1 (fr) 1986-03-19
JO1263B1 (en) 1985-04-20
ES524875A0 (es) 1984-05-01
ES8404289A1 (es) 1984-05-01
FI832891A0 (fi) 1983-08-11

Similar Documents

Publication Publication Date Title
RO88641A (fr) Procede pour la preparation du l'ethylenglycole
FR2535305B1 (fr) Procede d'extraction d'uranium a partir de tetrafluorure d'uranium
FR2568867B1 (fr) Procede de preparation de tetrafluorure d'uranium
FR2550788B1 (fr) Nouveau procede de preparation d'a-6-desoxytetracyclines
PT76595A (fr) Procede de preparation de benzoazacycloalkyl-spiro-imidazolidines
MA18518A1 (fr) Procede pour separer le fer de l'uranium
PT75209B (fr) Procede de preparation d'amidobenzamides
RO86646A (fr) Procede pour la preparation des o0ymethers
PT73933A (fr) Procede de preparation de steroides 17 alpha-hidroxi 20-ceto 21-halogeno
BE895962A (fr) Procede de fabrication d'alliages de silicum-aluminium
BE877195A (fr) Procede pour l'elimination selective des impuretes
YU197783A (en) Process for the purification of aqueous uranium solutions
FR2531696B1 (fr) Procede ameliore de dissolution du tetrafluorure d'uranium impur
FR2457273B1 (fr) Procede pour la recuperation d'acetone
RO88202A (fr) Procede pour la preparation des spiro-3-heteroazolone
FR2476641B1 (fr) Procede de preparation d'amines secondaires
BE896362A (fr) Procede nouveau de production de l'aspartame
FR2527631B1 (fr) Procede pour la preparation de steroides
FR2546889B1 (fr) Procede de preparation d'un acide aminolactonecarboxylique
FR2522869B1 (fr) Procede pour la decontamination radioactive des surfaces
FR2615850B1 (fr) Procede de preparation de tetrafluorure d'uranium
FR2502114B1 (fr) Procede de fabrication d'emballages
RO86848A (fr) Procede pour la preparation des 1-aryle-2-aminoethanols
FR2543141B1 (fr) Procede de preparation de l'azinomethyl-rifamycine
FR2519026B1 (fr) Procede d'affinage de plomb impur

Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
CL Concession to grant licences
TP Transmission of property
ST Notification of lapse